(19)

(11)

EP 2 864 638 A1

(12)

(43) Date of publication: 29.04.2015 Bulletin 2015/18 (21) Application number: 13785287.7 (22) Date of filing: 18.01.2013

(51) International Patent Classification (IPC):  F04C 23/00(2006.01) F04C 29/00(2006.01) (86) International application number: PCT/US2013/022058 (87) International publication number: WO 2013/165485 (07.11.2013 Gazette 2013/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 04.05.2012 US 201261642712 P 21.06.2012 US 201261662548 P 27.06.2012 US 201261665072 P 27.06.2012 US 201261665082 P 31.10.2012 US 201213664758 (71) Applicant: GHSP, INC. Grand Haven, MI 49417 (US)	(72) Inventors: ROSINSKI, Ryan David Grand Haven, Michigan 49417 (US) RIDGE, Larry Duane Grand Haven, Michigan 49417 (US) KIRBY, Jarvis Grand Haven, Michigan 49417 (US) STEWART, Cathy Ann Grand Haven, Michigan 49417 (US) MITTEER, David Michael Grand Haven, Michigan 49417 (US) (74) Representative: Roberts, Gwilym Vaughan  Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)